Ostrich Feathers, 10 Pieces Kelly Green Ostrich Tail Feathers 10 kelly green ostrich tail feathers each between 12-16 inches long. Tail feathers have the longest quill for easy mounting in craft and decor projects. Many colors and bulk quantities available. Check out our other listings or contact us. Check out our ostrich feather videos on You Tube. Orders before 12pm Pacific time M-F will ship same day. Closed weekends and national holidays.